oEPA

United States
Environmental Protection
Agency

2000 Coal Controls for S02 and NOx

Scrubber and SCR/SNCR Scrubber

•	Under 300 MW
C 300 MW to 600 M W
£ Over 600 MW

SCR/SNCR

•	Under 300 MW

•	300 MW to 600 MW

•	Over 600 MW

LNB and Under 02 lb S02/mmBtu Under 0.2 lb S02/mmBtu

•	U nder300 MW	U nder 300 MW	U nder 300 MW

•	300 MW to 600 MW C 300 MWto600 MW	O 300 MW to 600 MW
ft Over 600 MW Q Over 600 MW O Over600 MW

FBC/IGCC	LNB

U nder 300 M W	U nder 300 M W

O 300 MW to 600 MW O	300 MW to 600 MW

O Over600 MW O	Over600 MW

None

Under 300 MW
O 300 MW to 600 MW
O O ver 600 MW

Virtually all coal-fired units have
electrostatic precipitators, baghouses, or
other advanced controls for high levels of
particulate removal.

Source: National Electric Energy Data System
(NEEDS v621) (EPA, 10-14-22)and CAMl'l) (EPA,
2023)


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oEPA

United States
Environmental Protection
Agency

2005 Coal Controls for S02 and NOx

Scrubber and SCR/SNCR Scrubber

•	Under 300 MW
C 300 MW to 600 M W
£ Over 600 MW

SCR/SNCR

•	Under 300 MW

•	300 MW to 600 MW

•	Over 600 MW

LNB and Under 02 lb S02/mmBtu Under 0.2 lb S02/mmBtu

•	U nder300 MW	U nder 300 MW	U nder 300 MW

•	300 MW to 600 MW C 300 MWto600 MW	O 300 MW to 600 MW
ft Over 600 MW Q Over 600 MW O Over600 MW

FBC/IGCC	LNB

U nder 300 M W	U nder 300 M W

O 300 MW to 600 MW O	300 MW to 600 MW

O Over600 MW O	Over600 MW

None

Under 300 MW
O 300 MW to 600 MW
O O ver 600 MW

Virtually all coal-fired units have
electrostatic precipitators, baghouses, or
other advanced controls for high levels of
particulate removal.

Source: National Electric Energy Data System
(NEEDS v621) (EPA, 10-14-22)and CAMl'l) (EPA,
2023)


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oEPA

United States
Environmental Protection
Agency

2010 Coal Controls for S02 and NOx

Scrubber and SCR/SNCR Scrubber

•	Under 300 MW
C 300 MW to 600 M W
£ Over 600 MW

SCR/SNCR

•	Under 300 MW

•	300 MW to 600 MW

•	Over 600 MW

LNB	and Under 02 lb S02/mmBtu Under 0.2 lb S02/mmBtu

•	U nder300 MW	U nder 300 MW	U nder 300 MW

•	300 MW to 600 MW C	300 MWto600 MW	O 300 MW to 600 MW
fn Over600 MW Q	Over600 MW	Q Over600 MW

FBC/IGCC	LNB	None

U nder 300 MW	U nder 300 MW	U nder 300 MW

O 300 MW to 600 MW O	300 MW to 600 MW	O 300 MW to 600 MW

O Over600 MW O	Over600 MW	O Over600 MW

Virtually all coal-fired units have
electrostatic precipitators, baghouses. or
other advanced controls for high levels of
particulate removal.

Sou rce: National Electric Energy Data System
(NEEDS v621) (EPA, 10-14-22) and CAMl'l) (EPA,
2023)


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oEPA

United States
Environmental Protection
Agency

2015 Coal Controls for S02 and NOx

Scrubber and SCR/SNCR Scrubber

•	Under 300 MW
C 300 MW to 600 M W
£ Over 600 MW

SCR/SNCR

•	Under 300 MW

•	300 MW to 600 MW

•	Over 600 MW

LNB	and Under 02 lb S02/mmBtu Under 0.2 lb S02/mmBtu

•	U nder300 MW	U nder 300 MW	U nder 300 MW

•	300 MW to 600 MW C	300 MWto600 MW	O 300 MW to 600 MW
fn Over600 MW Q	Over600 MW	Q Over600 MW

FBC/IGCC	LNB	None

U nder 300 MW	U nder 300 MW	U nder 300 MW

O 300 MW to 600 MW O	300 MW to 600 MW	O 300 MW to 600 MW

O Over600 MW O	Over600 MW	O Over600 MW

Virtually all coal-fired units have
electrostatic precipitators, baghouses. or
other advanced controls for high levels of
particulate removal.

Sou rce: National Electric Energy Data System
(NEEDS v621) (EPA, 10-14-22) and CAMl'l) (EPA,
2023)


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oEPA

United States
Environmental Protection
Agency

2020 Coal Controls for S02 and NOx

Scrubber and SCR/SNCR Scrubber

•	Under 300 MW

C	300 MW to 600 M W

C	Over600MW
SCR/SNCR

•	Under 300 MW

•	300 MW to 600 MW

•	Over 600 MW

•	Under300 MW

•	300 MWto600 MW O
fjj Over600 MW

FBC/IGCC	LNB

Under300 MW
O 300 MW to 600 MW O
O Over600 MW

LNB and Under 0.2 lb S02/mmBtu Under 0.2 lb S02/mmBtu

Under300 MW	Under 300 MW

O 30 0 M W to 60 0 M W	O 30 0 M W to 60 0 M W

Over600 MW	Q 0ver 600 MW

None

Under300 MW	Under 300 MW

300 MW to 600 MW	O 300 MW to 600 MW

Over600 MW	O Over600 MW

Virtually all coal-fired units have
electrostatic precipitators, baghouses, or
other advanced controls for high levels of
particulate removal.

Sou rce: Rational Electric Energy Data System
(NEEDS v621) (EPA, 10-14-22) and CAMl'l) (EPA,
2023)


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oEPA

United States
Environmental Protection
Agency

2022 Coal Controls for S02 and NOx

Scrubber and SCR/SNCR Scrubber

•	Under 300 MW
C 300 MW to 600 M W
£ Over 600 MW

SCR/SNCR

•	Under 300 MW

•	300 MW to 600 MW

•	Over 600 MW

LNB and Under 0.2 lb S02/mmBtu Under 0.2 lb S02/mmBtu

U nder300 MW	U nder 300 MW	U nder 300 MW

300 MWto600 MW O 3Q0MWto600 MW	O 300 MW to 600 MW

Over600 MW	Q Over600 MW	O Over600 MW

FBC/IGCC	LNB

U nder 300 M W	U nder 300 M W

O 300 MW to 600 MW O	300 MW to 600 MW

O Over600 MW O	Over600 MW

None

Under 300 MW
O 300 MW to 600 MW
O Over600 MW

Virtually all coal-fired units have
electrostatic precipitators, baghouses, or
other advanced controls for high levels of
particulate removal.

Source: National Electric Energy Data System
(NEEDS v621) (EPA, 10-14-22)and CAMl'l) (EPA,
2023)


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